I have a 1988 Lowe 141, 14' alum. boat. The boat is rated for a 25hp motor. I had a 1989 Johnson 15hp motor (weight?). I am in the process of mounting a 1999 Mercury 25hp 4 stroke Big Foot (175 lbs. dry). Since the 25hp is SO much bigger than the 15hp, do I need to be concerned about the size...
